Good friends usually banter back and forth easily, like they’re trying to keep a step ahead of each other in witty responses. This type of banter is their special language of friendship.
Banter is both a noun and a verb about talking. It comes from unknown origins, but even as a word, it seems to be playful and teasing. You can engage in banter with friends, siblings, parents, and even good-natured strangers. Banter usually ends with everyone feeling better for the talk and verbal play. Joking, joshing, and teasing are all related to banter.
light teasing repartee
be silly or tease one another